C31232233133313221211113313331333133313331212111133132212331312231   >>    C3123223313331322121111331333133313331333121211113313221233131223   <<    C31232233133313221211113313331333133313331212111133132212331312233   >>      C31232233133313221211113313331333133313331212111133132212331312232   >>