C132233133112121111331333133313331323132313233313331312111111212122321   >>    C13223313311212111133133313331333132313231323331333131211111121212232   <<    C132233133112121111331333133313331323132313233313331312111111212122323   >>      C132233133112121111331333133313331323132313233313331312111111212122322   >>