C31232233133313221211113313331333133313331212111133112323222311   >>    C3123223313331322121111331333133313331333121211113311232322231   <<    C31232233133313221211113313331333133313331212111133112323222313   >>      C31232233133313221211113313331333133313331212111133112323222312   >>