C312322331333132212111133133313331333133312121111121111133112113313111121   >>    C31232233133313221211113313331333133313331212111112111113311211331311112   <<    C312322331333132212111133133313331333133312121111121111133112113313111123   >>      C312322331333132212111133133313331333133312121111121111133112113313111122   >>