C313212111133131211331333133313331333133313331322133313222333131   >>    C31321211113313121133133313331333133313331333132213331322233313   <<    C313212111133131211331333133313331333133313331322133313222333133   >>      C313212111133131211331333133313331333133313331322133313222333132   >>