C111113331333132322331333133313331311331323133112111112111112323223111   >>    C11111333133313232233133313331333131133132313311211111211111232322311   <<    C111113331333132322331333133313331311331323133112111112111112323223113   >>      C111113331333132322331333133313331311331323133112111112111112323223112   >>