C31232233133313221211113313331333132313331322121111123121111121111132232311231   >>    C3123223313331322121111331333133313231333132212111112312111112111113223231123   <<    C31232233133313221211113313331333132313331322121111123121111121111132232311233   >>      C31232233133313221211113313331333132313331322121111123121111121111132232311232   >>