C31232233133313221211113313331333132313331322121111123121111332121   >>    C3123223313331322121111331333133313231333132212111112312111133212   <<    C31232233133313221211113313331333132313331322121111123121111332123   >>      C31232233133313221211113313331333132313331322121111123121111332122   >>