C313212111113331323312111133133313331333133313331333133313331333131323232233121   >>    C31321211111333132331211113313331333133313331333133313331333133313132323223312   <<    C313212111113331323312111133133313331333133313331333133313331333131323232233123   >>      C313212111113331323312111133133313331333133313331333133313331333131323232233122   >>