C313212111133131211331333133313331333131121133133313221312323232321   >>    C31321211113313121133133313331333133313112113313331322131232323232   <<    C313212111133131211331333133313331333131121133133313221312323232323   >>      C313212111133131211331333133313331333131121133133313221312323232322   >>