C312322331333132212111133133313331333133312121111331333221333132322121122331   >>    C31232233133313221211113313331333133313331212111133133322133313232212112233   <<    C312322331333132212111133133313331333133312121111331333221333132322121122333   >>      C312322331333132212111133133313331333133312121111331333221333132322121122332   >>