diff --git a/diktat-rules/src/main/kotlin/org/cqfn/diktat/ruleset/rules/chapter3/LineLength.kt b/diktat-rules/src/main/kotlin/org/cqfn/diktat/ruleset/rules/chapter3/LineLength.kt
index ca5460ed3c..37c2cb0c53 100644
--- a/diktat-rules/src/main/kotlin/org/cqfn/diktat/ruleset/rules/chapter3/LineLength.kt
+++ b/diktat-rules/src/main/kotlin/org/cqfn/diktat/ruleset/rules/chapter3/LineLength.kt
@@ -28,8 +28,10 @@ import com.pinterest.ktlint.core.ast.ElementType.ELVIS
 import com.pinterest.ktlint.core.ast.ElementType.EOL_COMMENT
 import com.pinterest.ktlint.core.ast.ElementType.EQ
 import com.pinterest.ktlint.core.ast.ElementType.EQEQ
+import com.pinterest.ktlint.core.ast.ElementType.EQEQEQ
 import com.pinterest.ktlint.core.ast.ElementType.EXCL
 import com.pinterest.ktlint.core.ast.ElementType.EXCLEQ
+import com.pinterest.ktlint.core.ast.ElementType.EXCLEQEQEQ
 import com.pinterest.ktlint.core.ast.ElementType.FILE
 import com.pinterest.ktlint.core.ast.ElementType.FLOAT_CONSTANT
 import com.pinterest.ktlint.core.ast.ElementType.FUN
@@ -570,8 +572,8 @@ class LineLength(configRules: List<RulesConfig>) : DiktatRule(
     ) : LongLineFixableCases(node) {
         /**
          * Fix a binary expression -
-         * If the transfer is done on the Elvis operator, then transfers it to a new line
-         * If not on the Elvis operator, then transfers it to a new line after the operation reference
+         * - If the transfer is done on the Elvis operator, then transfers it to a new line
+         * - If not on the Elvis operator, then transfers it to a new line after the operation reference
          */
         @Suppress("UnsafeCallOnNullableType")
         override fun fix() {
@@ -595,16 +597,18 @@ class LineLength(configRules: List<RulesConfig>) : DiktatRule(
         }
 
         /**
-         * This method stored all the nodes that have BINARY_EXPRESSION or PREFIX_EXPRESSION element type.
-         * Return List of the Pair <node, offset>
-         * First elem in List - Logic Binary Expression (&&  ||)
-         * Second elem in List - Comparison Binary Expression (> < == >= <= !=)
-         * Other types (Arithmetical and Bit operation) (+ - * / % >> << *= += -= /= %= ++ -- ! in !in etc)
+         * This method stored all the nodes that have [BINARY_EXPRESSION] or [PREFIX_EXPRESSION] element type.
+         * - First elem in List - Logic Binary Expression (`&&`, `||`)
+         * - Second elem in List - Comparison Binary Expression (`>`, `<`, `==`, `>=`, `<=`, `!=`, `===`, `!==`)
+         * - Other types (Arithmetical and Bitwise operation) (`+`, `-`, `*`, `/`, `%`, `>>`, `<<`, `&`, `|`, `~`, `^`, `>>>`, `<<<`,
+         *   `*=`, `+=`, `-=`, `/=`, `%=`, `++`, `--`, `in` `!in`, etc.)
+         *
+         * @return the list of node-to-offset pairs.
          */
         @Suppress("TYPE_ALIAS")
         private fun searchSomeSplitInBinaryExpression(parent: ASTNode, configuration: LineLengthConfiguration): List<Pair<ASTNode, Int>?> {
             val logicListOperationReference = listOf(OROR, ANDAND)
-            val compressionListOperationReference = listOf(GT, LT, EQEQ, GTEQ, LTEQ, EXCLEQ)
+            val compressionListOperationReference = listOf(GT, LT, EQEQ, GTEQ, LTEQ, EXCLEQ, EQEQEQ, EXCLEQEQEQ)
             val binList: MutableList<ASTNode> = mutableListOf()
             searchBinaryExpression(parent, binList)
             val rightBinList = binList.map {
@@ -752,8 +756,8 @@ class LineLength(configRules: List<RulesConfig>) : DiktatRule(
 
     /**
      * Class WhenEntry show that line should be split in WhenEntry node:
-     * Added [LBRACE] and [RBRACE] nodes
-     * Split line in space after [LBRACE] node and before [RBRACE] node
+     * - Added [LBRACE] and [RBRACE] nodes
+     * - Split line in space after [LBRACE] node and before [RBRACE] node
      */
     private class WhenEntry(node: ASTNode) : LongLineFixableCases(node) {
         override fun fix() {