C3212322121333132313331322331323211232313331323221333131331223121   >>    C321232212133313231333132233132321123231333132322133313133122312   <<    C3212322121333132313331322331323211232313331323221333131331223123   >>      C3212322121333132313331322331323211232313331323221333131331223122   >>