C31232233133313221211113313331333133313331212111113331323212331322311   >>    C3123223313331322121111331333133313331333121211111333132321233132231   <<    C31232233133313221211113313331333133313331212111113331323212331322313   >>      C31232233133313221211113313331333133313331212111113331323212331322312   >>