C313212111133131211331333133313331333132212113313231322331123231   >>    C31321211113313121133133313331333133313221211331323132233112323   <<    C313212111133131211331333133313331333132212113313231322331123233   >>      C313212111133131211331333133313331333132212113313231322331123232   >>