C232212111133133312331333133313121111121111333133313331333133313232311231   >>    C23221211113313331233133313331312111112111133313331333133313331323231123   <<    C232212111133133312331333133313121111121111333133313331333133313232311233   >>      C232212111133133312331333133313121111121111333133313331333133313232311232   >>