C31313132333131133132233132233131121133132333132233131331123231   >>    C3131313233313113313223313223313112113313233313223313133112323   <<    C31313132333131133132233132233131121133132333132233131331123233   >>      C31313132333131133132233132233131121133132333132233131331123232   >>