C312322331333132212111133133313331333133312121111331333113313232111121   >>    C31232233133313221211113313331333133313331212111133133311331323211112   <<    C312322331333132212111133133313331333133312121111331333113313232111123   >>      C312322331333132212111133133313331333133312121111331333113313232111122   >>