C31313132333131133132233132233131121133132333132233132313331322321   >>    C3131313233313113313223313223313112113313233313223313231333132232   <<    C31313132333131133132233132233131121133132333132233132313331322323   >>      C31313132333131133132233132233131121133132333132233132313331322322   >>