C312322331333132212111133133313331323133313221211111211331323331123121221   >>    C31232233133313221211113313331333132313331322121111121133132333112312122   <<    C312322331333132212111133133313331323133313221211111211331323331123121223   >>      C312322331333132212111133133313331323133313221211111211331323331123121222   >>