C31232233133313221211113313331333132313331322121111123121111133313332212121   >>    C3123223313331322121111331333133313231333132212111112312111113331333221212   <<    C31232233133313221211113313331333132313331322121111123121111133313332212123   >>      C31232233133313221211113313331333132313331322121111123121111133313332212122   >>