C2111111331313232233132333132311331323331323112211232313331323132321321   >>    C211111133131323223313233313231133132333132311221123231333132313232132   <<    C2111111331313232233132333132311331323331323112211232313331323132321323   >>      C2111111331313232233132333132311331323331323112211232313331323132321322   >>