Blocksoriginallyplacedonthefieldoffixedandmarkedpoint.
Eachexhibitedonthenewunithasadirectionofmovementindicatedbythearrow,andifitdoesnothold,thenitstartstomoveinthisdirectionaslongasnootherwillfaceblockornotgobeyondtheedgeoftheplayingfield.
Ifthreeormoreblocksofthesamecolorareconnectedtogetheratthesides(notdiagonally),thentheyarereduced.
Yourtaskisremoveallblocksfromtheboard.