C111113331333132322331333133313331311331323133112111112111111222211   >>    C11111333133313232233133313331333131133132313311211111211111122221   <<    C111113331333132322331333133313331311331323133112111112111111222213   >>      C111113331333132322331333133313331311331323133112111112111111222212   >>