C232212111133133312331333133313121111331333133313331331121221231   >>    C23221211113313331233133313331312111133133313331333133112122123   <<    C232212111133133312331333133313121111331333133313331331121221233   >>      C232212111133133312331333133313121111331333133313331331121221232   >>