C313212111133131211331333133313331333131121133133313331322132232211   >>    C31321211113313121133133313331333133313112113313331333132213223221   <<    C313212111133131211331333133313331333131121133133313331322132232213   >>      C313212111133131211331333133313331333131121133133313331322132232212   >>