C312322331333132212111133133313331333133312121111331211111121131212311   >>    C31232233133313221211113313331333133313331212111133121111112113121231   <<    C312322331333132212111133133313331333133312121111331211111121131212313   >>      C312322331333132212111133133313331333133312121111331211111121131212312   >>