C313212111133131211331333133313331333133311233132313331333132313331333131121221   >>    C31321211113313121133133313331333133313331123313231333133313231333133313112122   <<    C313212111133131211331333133313331333133311233132313331333132313331333131121223   >>      C313212111133131211331333133313331333133311233132313331333132313331333131121222   >>