C312322331333132212111133133313331323133313221211111211111133212323111   >>    C31232233133313221211113313331333132313331322121111121111113321232311   <<    C312322331333132212111133133313331323133313221211111211111133212323113   >>      C312322331333132212111133133313331323133313221211111211111133212323112   >>