C111113331333132322331333133313331331121111121133132313331333231312311   >>    C11111333133313232233133313331333133112111112113313231333133323131231   <<    C111113331333132322331333133313331331121111121133132313331333231312313   >>      C111113331333132322331333133313331331121111121133132313331333231312312   >>