C13332313311211113313331333131133133313231322121111113313331322331333221211   >>    C1333231331121111331333133313113313331323132212111111331333132233133322121   <<    C13332313311211113313331333131133133313231322121111113313331322331333221213   >>      C13332313311211113313331333131133133313231322121111113313331322331333221212   >>