C132233133112121111331333133313331333132322331311331323232212131   >>    C13223313311212111133133313331333133313232233131133132323221213   <<    C132233133112121111331333133313331333132322331311331323232212133   >>      C132233133112121111331333133313331333132322331311331323232212132   >>