C312322331333132212111133133313331333133311211331312113313111121   >>    C31232233133313221211113313331333133313331121133131211331311112   <<    C312322331333132212111133133313331333133311211331312113313111123   >>      C312322331333132212111133133313331333133311211331312113313111122   >>