C31232233133313221211113313331311331333133313331313331323223111   >>    C3123223313331322121111331333131133133313331333131333132322311   <<    C31232233133313221211113313331311331333133313331313331323223113   >>      C31232233133313221211113313331311331333133313331313331323223112   >>