C312322331333132212111133133313331333133312121111331211111121333131123313113311   >>    C31232233133313221211113313331333133313331212111133121111112133313112331311331   <<    C312322331333132212111133133313331333133312121111331211111121333131123313113313   >>      C312322331333132212111133133313331333133312121111331211111121333131123313113312   >>