C111113331333132322331333133313331331121111121133132322133313221233132311111   >>    C11111333133313232233133313331333133112111112113313232213331322123313231111   <<    C111113331333132322331333133313331331121111121133132322133313221233132311113   >>      C111113331333132322331333133313331331121111121133132322133313221233132311112   >>