C313212111113331323312111133133313331333133313331333133313331333221322121   >>    C31321211111333132331211113313331333133313331333133313331333133322132212   <<    C313212111113331323312111133133313331333133313331333133313331333221322123   >>      C313212111113331323312111133133313331333133313331333133313331333221322122   >>