C31232233133313221211113313331333133313331212111133133313111333132211113231   >>    C3123223313331322121111331333133313331333121211113313331311133313221111323   <<    C31232233133313221211113313331333133313331212111133133313111333132211113233   >>      C31232233133313221211113313331333133313331212111133133313111333132211113232   >>