C312322331333132212111133133313331333133312121111331211111211331121121   >>    C31232233133313221211113313331333133313331212111133121111121133112112   <<    C312322331333132212111133133313331333133312121111331211111211331121123   >>      C312322331333132212111133133313331333133312121111331211111211331121122   >>