C31232233133313221211113313331333132313331322121113231323131211   >>    C3123223313331322121111331333133313231333132212111323132313121   <<    C31232233133313221211113313331333132313331322121113231323131213   >>      C31232233133313221211113313331333132313331322121113231323131212   >>