C313212111113331323312111133133313331333133313331333133313331323211231211231   >>    C31321211111333132331211113313331333133313331333133313331333132321123121123   <<    C313212111113331323312111133133313331333133313331333133313331323211231211233   >>      C313212111113331323312111133133313331333133313331333133313331323211231211232   >>