C222133313331333131123313231333133313331333132323213331312111111331323223321   >>    C22213331333133313112331323133313331333133313232321333131211111133132322332   <<    C222133313331333131123313231333133313331333132323213331312111111331323223323   >>      C222133313331333131123313231333133313331333132323213331312111111331323223322   >>