C31232233133313221211113313331333133313331212111112313331323231   >>    C3123223313331322121111331333133313331333121211111231333132323   <<    C31232233133313221211113313331333133313331212111112313331323233   >>      C31232233133313221211113313331333133313331212111112313331323232   >>