C31232233133313221211113313331333132313331322121111123121111133222321   >>    C3123223313331322121111331333133313231333132212111112312111113322232   <<    C31232233133313221211113313331333132313331322121111123121111133222323   >>      C31232233133313221211113313331333132313331322121111123121111133222322   >>