C111113331333132322331333133313331333133323223313311232311312121   >>    C11111333133313232233133313331333133313332322331331123231131212   <<    C111113331333132322331333133313331333133323223313311232311312123   >>      C111113331333132322331333133313331333133323223313311232311312122   >>