C1111121111331311211331333133313331333131232212111133132213133313331121   >>    C111112111133131121133133313331333133313123221211113313221313331333112   <<    C1111121111331311211331333133313331333131232212111133132213133313331123   >>      C1111121111331311211331333133313331333131232212111133132213133313331122   >>