C1111121111331311211331333133313331323131133133313333133313331322233221   >>    C111112111133131121133133313331333132313113313331333313331333132223322   <<    C1111121111331311211331333133313331323131133133313333133313331322233223   >>      C1111121111331311211331333133313331323131133133313333133313331322233222   >>