C1111233131211111211113313331323133313231333133313232113213331323131211   >>    C111123313121111121111331333132313331323133313331323211321333132313121   <<    C1111233131211111211113313331323133313231333133313232113213331323131213   >>      C1111233131211111211113313331323133313231333133313232113213331323131212   >>