C22213331333133313112331323133313331333131111121111331333132213233221121   >>    C2221333133313331311233132313331333133313111112111133133313221323322112   <<    C22213331333133313112331323133313331333131111121111331333132213233221123   >>      C22213331333133313112331323133313331333131111121111331333132213233221122   >>