C313212111133131211331333133313331333133112323331323223311233131   >>    C31321211113313121133133313331333133313311232333132322331123313   <<    C313212111133131211331333133313331333133112323331323223311233133   >>      C313212111133131211331333133313331333133112323331323223311233132   >>