C1111133313331323223313331333133313331333113313331333132212111121   >>    C111113331333132322331333133313331333133311331333133313221211112   <<    C1111133313331323223313331333133313331333113313331333132212111123   >>      C1111133313331323223313331333133313331333113313331333132212111122   >>