C1111233131211111211113313331333133313331313221131211113313121111132332211
>>
C111123313121111121111331333133313331333131322113121111331312111113233221
<<
C1111233131211111211113313331333133313331313221131211113313121111132332213
>>
C1111233131211111211113313331333133313331313221131211113313121111132332212
>>