C313212111113331323312111133133313331333133313331333133313231333131133221221   >>    C31321211111333132331211113313331333133313331333133313331323133313113322122   <<    C313212111113331323312111133133313331333133313331333133313231333131133221223   >>      C313212111113331323312111133133313331333133313331333133313231333131133221222   >>