C313212111113331323312111133133313331333133313331333133313331323221333132211   >>    C31321211111333132331211113313331333133313331333133313331333132322133313221   <<    C313212111113331323312111133133313331333133313331333133313331323221333132213   >>      C313212111113331323312111133133313331333133313331333133313331323221333132212   >>