C111113331333132322331333133313331331121111121133132313331333132331211211   >>    C11111333133313232233133313331333133112111112113313231333133313233121121   <<    C111113331333132322331333133313331331121111121133132313331333132331211213   >>      C111113331333132322331333133313331331121111121133132313331333132331211212   >>