C111113331333132322331333133313331323323131121133133313331323223313232213111   >>    C11111333133313232233133313331333132332313112113313331333132322331323221311   <<    C111113331333132322331333133313331323323131121133133313331323223313232213113   >>      C111113331333132322331333133313331323323131121133133313331323223313232213112   >>