C312322331333132212111133133313331323133313221211111211111133133112121211   >>    C31232233133313221211113313331333132313331322121111121111113313311212121   <<    C312322331333132212111133133313331323133313221211111211111133133112121213   >>      C312322331333132212111133133313331323133313221211111211111133133112121212   >>