C11112331333132311331333133313331333132233131333133311211331313321   >>    C1111233133313231133133313331333133313223313133313331121133131332   <<    C11112331333132311331333133313331333132233131333133311211331313323   >>      C11112331333132311331333133313331333132233131333133311211331313322   >>