C111113331333132322331333133313331311331323133112111113331311123121   >>    C11111333133313232233133313331333131133132313311211111333131112312   <<    C111113331333132322331333133313331311331323133112111113331311123123   >>      C111113331333132322331333133313331311331323133112111113331311123122   >>