C31313132333131133132233132233132213233313233313221333132311111121   >>    C3131313233313113313223313223313221323331323331322133313231111112   <<    C31313132333131133132233132233132213233313233313221333132311111123   >>      C31313132333131133132233132233132213233313233313221333132311111122   >>