C312322331333132212111133133313331312111133132313331323331123233121   >>    C31232233133313221211113313331333131211113313231333132333112323312   <<    C312322331333132212111133133313331312111133132313331323331123233123   >>      C312322331333132212111133133313331312111133132313331323331123233122   >>