C11111333133313232233133313331333133313332322331331121111331311132322123231   >>    C1111133313331323223313331333133313331333232233133112111133131113232212323   <<    C11111333133313232233133313331333133313332322331331121111331311132322123233   >>      C11111333133313232233133313331333133313332322331331121111331311132322123232   >>