C31232233133313221211113313331333132313331322121111123121111331323213131   >>    C3123223313331322121111331333133313231333132212111112312111133132321313   <<    C31232233133313221211113313331333132313331322121111123121111331323213133   >>      C31232233133313221211113313331333132313331322121111123121111331323213132   >>