C22213331333133313112331323133313331333131111121111331333132213233112321   >>    C2221333133313331311233132313331333133313111112111133133313221323311232   <<    C22213331333133313112331323133313331333131111121111331333132213233112323   >>      C22213331333133313112331323133313331333131111121111331333132213233112322   >>