C3123223313331322121111331333133313121111331323133313311232213231   >>    C312322331333132212111133133313331312111133132313331331123221323   <<    C3123223313331322121111331333133313121111331323133313311232213233   >>      C3123223313331322121111331333133313121111331323133313311232213232   >>