C22213331333133313112331323133313331333133313232321333131211111323211221   >>    C2221333133313331311233132313331333133313331323232133313121111132321122   <<    C22213331333133313112331323133313331333133313232321333131211111323211223   >>      C22213331333133313112331323133313331333133313232321333131211111323211222   >>