C11111333133313232233133313331333133313232233312111133132321232333131   >>    C1111133313331323223313331333133313331323223331211113313232123233313   <<    C11111333133313232233133313331333133313232233312111133132321232333133   >>      C11111333133313232233133313331333133313232233312111133132321232333132   >>