C1111121111331311211331333133313331333133313231333133313331333133112331313211   >>    C111112111133131121133133313331333133313331323133313331333133313311233131321   <<    C1111121111331311211331333133313331333133313231333133313331333133112331313213   >>      C1111121111331311211331333133313331333133313231333133313331333133112331313212   >>