C313212111113331323312111133133313331333133313331333133313331333133323132211   >>    C31321211111333132331211113313331333133313331333133313331333133313332313221   <<    C313212111113331323312111133133313331333133313331333133313331333133323132213   >>      C313212111113331323312111133133313331333133313331333133313331333133323132212   >>