C31232233133313221211113313331333133313331212111133133313133313112331323221221   >>    C3123223313331322121111331333133313331333121211113313331313331311233132322122   <<    C31232233133313221211113313331333133313331212111133133313133313112331323221223   >>      C31232233133313221211113313331333133313331212111133133313133313112331323221222   >>