C313212111113331323312111133133313331333133313331333133313231333131133221231   >>    C31321211111333132331211113313331333133313331333133313331323133313113322123   <<    C313212111113331323312111133133313331333133313331333133313231333131133221233   >>      C313212111113331323312111133133313331333133313331333133313231333131133221232   >>