C11111333133313232233133313331333133313331311211331333133313331333132322323231   >>    C1111133313331323223313331333133313331333131121133133313331333133313232232323   <<    C11111333133313232233133313331333133313331311211331333133313331333132322323233   >>      C11111333133313232233133313331333133313331311211331333133313331333132322323232   >>