C313331311233133313112331333132313331323132322331333132211212231   >>    C31333131123313331311233133313231333132313232233133313221121223   <<    C313331311233133313112331333132313331323132322331333132211212233   >>      C313331311233133313112331333132313331323132322331333132211212232   >>