C11111333133313232233133313331333133313331322133313331313311131   >>    C1111133313331323223313331333133313331333132213331333131331113   <<    C11111333133313232233133313331333133313331322133313331313311133   >>      C11111333133313232233133313331333133313331322133313331313311132   >>