C1111121111331311211331333133313331333133313221211113313231333231131   >>    C111112111133131121133133313331333133313331322121111331323133323113   <<    C1111121111331311211331333133313331333133313221211113313231333231133   >>      C1111121111331311211331333133313331333133313221211113313231333231132   >>