C31232233133313221211113313331333133313331212111133133313231123311221123222221   >>    C3123223313331322121111331333133313331333121211113313331323112331122112322222   <<    C31232233133313221211113313331333133313331212111133133313231123311221123222223   >>      C31232233133313221211113313331333133313331212111133133313231123311221123222222   >>