C1111121111331311211331333133313331333133313231333133313331311222211   >>    C111112111133131121133133313331333133313331323133313331333131122221   <<    C1111121111331311211331333133313331333133313231333133313331311222213   >>      C1111121111331311211331333133313331333133313231333133313331311222212   >>