C1313231312311331322331313331323113313233313231111331323331322121121   >>    C131323131231133132233131333132311331323331323111133132333132212112   <<    C1313231312311331322331313331323113313233313231111331323331322121123   >>      C1313231312311331322331313331323113313233313231111331323331322121122   >>