C1111133313331323223313331333133313331333232233133112213231121121   >>    C111113331333132322331333133313331333133323223313311221323112112   <<    C1111133313331323223313331333133313331333232233133112213231121123   >>      C1111133313331323223313331333133313331333232233133112213231121122   >>