C11111333133313232233133313331333133313321311331323133313112111221   >>    C1111133313331323223313331333133313331332131133132313331311211122   <<    C11111333133313232233133313331333133313321311331323133313112111223   >>      C11111333133313232233133313331333133313321311331323133313112111222   >>