C312322331333132212111133133313331333133312121111331333223322333231   >>    C31232233133313221211113313331333133313331212111133133322332233323   <<    C312322331333132212111133133313331333133312121111331333223322333233   >>      C312322331333132212111133133313331333133312121111331333223322333232   >>