C313212111113331323312111133133313331333133313331333133313331333131133123313231   >>    C31321211111333132331211113313331333133313331333133313331333133313113312331323   <<    C313212111113331323312111133133313331333133313331333133313331333131133123313233   >>      C313212111113331323312111133133313331333133313331333133313331333131133123313232   >>