C22121333132313311211113313331333132233131133133313331313112113322331   >>    C2212133313231331121111331333133313223313113313331333131311211332233   <<    C22121333132313311211113313331333132233131133133313331313112113322333   >>      C22121333132313311211113313331333132233131133133313331313112113322332   >>