C11111333133313232233133313331333132313331333133313113323132311   >>    C1111133313331323223313331333133313231333133313331311332313231   <<    C11111333133313232233133313331333132313331333133313113323132313   >>      C11111333133313232233133313331333132313331333133313113323132312   >>