C22212323232133313113313331333132313331323132321111311111123321   >>    C2221232323213331311331333133313231333132313232111131111112332   <<    C22212323232133313113313331333132313331323132321111311111123323   >>      C22212323232133313113313331333132313331323132321111311111123322   >>