C31313132333131133132233132233131121133132333131333132313331323233232321   >>    C3131313233313113313223313223313112113313233313133313231333132323323232   <<    C31313132333131133132233132233131121133132333131333132313331323233232323   >>      C31313132333131133132233132233131121133132333131333132313331323233232322   >>