C111113331333132322331333133313331323132311211331312111111211312121   >>    C11111333133313232233133313331333132313231121133131211111121131212   <<    C111113331333132322331333133313331323132311211331312111111211312123   >>      C111113331333132322331333133313331323132311211331312111111211312122   >>