C22213331333133313112331323133313331333133313221333133323133313221321   >>    C2221333133313331311233132313331333133313331322133313332313331322132   <<    C22213331333133313112331323133313331333133313221333133323133313221323   >>      C22213331333133313112331323133313331333133313221333133323133313221322   >>