C31232233133313221211113313331333132313331322121111121111113313311221231   >>    C3123223313331322121111331333133313231333132212111112111111331331122123   <<    C31232233133313221211113313331333132313331322121111121111113313311221233   >>      C31232233133313221211113313331333132313331322121111121111113313311221232   >>