C22213331333133313112331323133313331333133313233121111132112321   >>    C2221333133313331311233132313331333133313331323312111113211232   <<    C22213331333133313112331323133313331333133313233121111132112323   >>      C22213331333133313112331323133313331333133313233121111132112322   >>