C111123313121111121111331323133313331333132322121111133313112231333133312131   >>    C11112331312111112111133132313331333133313232212111113331311223133313331213   <<    C111123313121111121111331323133313331333132322121111133313112231333133312133   >>      C111123313121111121111331323133313331333132322121111133313112231333133312132   >>