C31232233133313221211113313331333133313331212111111113313222311   >>    C3123223313331322121111331333133313331333121211111111331322231   <<    C31232233133313221211113313331333133313331212111111113313222313   >>      C31232233133313221211113313331333133313331212111111113313222312   >>