C23221211113313331233133313331312111133133313331333133112122121   >>    C2322121111331333123313331333131211113313331333133313311212212   <<    C23221211113313331233133313331312111133133313331333133112122123   >>      C23221211113313331233133313331312111133133313331333133112122122   >>