C312322331333132212111133133313331323133311211331333131133212231   >>    C31232233133313221211113313331333132313331121133133313113321223   <<    C312322331333132212111133133313331323133311211331333131133212233   >>      C312322331333132212111133133313331323133311211331333131133212232   >>