C111113331333132322331333133313331311331323133112121111113313223311   >>    C11111333133313232233133313331333131133132313311212111111331322331   <<    C111113331333132322331333133313331311331323133112121111113313223313   >>      C111113331333132322331333133313331311331323133112121111113313223312   >>