C31232233133313221211113313331333132313331322121111121111333312312121   >>    C3123223313331322121111331333133313231333132212111112111133331231212   <<    C31232233133313221211113313331333132313331322121111121111333312312123   >>      C31232233133313221211113313331333132313331322121111121111333312312122   >>