C31232233133313221211113313331333131211113313231333132323131211   >>    C3123223313331322121111331333133313121111331323133313232313121   <<    C31232233133313221211113313331333131211113313231333132323131213   >>      C31232233133313221211113313331333131211113313231333132323131212   >>