C312322331333132212111133133313331323133313221211111211331323331123121331   >>    C31232233133313221211113313331333132313331322121111121133132333112312133   <<    C312322331333132212111133133313331323133313221211111211331323331123121333   >>      C312322331333132212111133133313331323133313221211111211331323331123121332   >>