C31232233133313221211113313331333132313331322121111123121111111133233221   >>    C3123223313331322121111331333133313231333132212111112312111111113323322   <<    C31232233133313221211113313331333132313331322121111123121111111133233223   >>      C31232233133313221211113313331333132313331322121111123121111111133233222   >>