C23221211113313331233133313331312111133133313331333133112323221   >>    C2322121111331333123313331333131211113313331333133313311232322   <<    C23221211113313331233133313331312111133133313331333133112323223   >>      C23221211113313331233133313331312111133133313331333133112323222   >>