C312322331333132212111133133313331333133312121111331312111112331311   >>    C31232233133313221211113313331333133313331212111133131211111233131   <<    C312322331333132212111133133313331333133312121111331312111112331313   >>      C312322331333132212111133133313331333133312121111331312111112331312   >>