C11111333133313232233133313331333133313231333133313332322321333112311   >>    C1111133313331323223313331333133313331323133313331333232232133311231   <<    C11111333133313232233133313331333133313231333133313332322321333112313   >>      C11111333133313232233133313331333133313231333133313332322321333112312   >>