C11111333133313232233133313331333132313232223323132313331323133313221312311   >>    C1111133313331323223313331333133313231323222332313231333132313331322131231   <<    C11111333133313232233133313331333132313232223323132313331323133313221312313   >>      C11111333133313232233133313331333132313232223323132313331323133313221312312   >>