C1111133313331323223313331333133313331323132232111133132322331311321   >>    C111113331333132322331333133313331333132313223211113313232233131132   <<    C1111133313331323223313331333133313331323132232111133132322331311323   >>      C1111133313331323223313331333133313331323132232111133132322331311322   >>