C11111333133313232233133313331333133313332313331121133132311311   >>    C1111133313331323223313331333133313331333231333112113313231131   <<    C11111333133313232233133313331333133313332313331121133132311313   >>      C11111333133313232233133313331333133313332313331121133132311312   >>