C31232233133313221211113313331333131211113313232112323132223331   >>    C3123223313331322121111331333133313121111331323211232313222333   <<    C31232233133313221211113313331333131211113313232112323132223333   >>      C31232233133313221211113313331333131211113313232112323132223332   >>