C312322331333132212111133133313331333133312121111331333132213331312221121131   >>    C31232233133313221211113313331333133313331212111133133313221333131222112113   <<    C312322331333132212111133133313331333133312121111331333132213331312221121133   >>      C312322331333132212111133133313331333133312121111331333132213331312221121132   >>