C11111333133313232233133313331333133313332322331331123221323311   >>    C1111133313331323223313331333133313331333232233133112322132331   <<    C11111333133313232233133313331333133313332322331331123221323313   >>      C11111333133313232233133313331333133313332322331331123221323312   >>