C23221211113313331233133313331312111133133313331333133112212221   >>    C2322121111331333123313331333131211113313331333133313311221222   <<    C23221211113313331233133313331312111133133313331333133112212223   >>      C23221211113313331233133313331312111133133313331333133112212222   >>