C313212111113331323312111133133313331333131212111113331333132232321312321   >>    C31321211111333132331211113313331333133313121211111333133313223232131232   <<    C313212111113331323312111133133313331333131212111113331333132232321312323   >>      C313212111113331323312111133133313331333131212111113331333132232321312322   >>