[{h,{1,1},{4,1}},
 {h,{1,2},{1,4}},
 {h,{2,4},{6,4}},
 {h,{6,1},{6,3}},
 {v,{1,1},{4,1}},
 {v,{1,2},{1,4}},
 {v,{2,4},{6,4}},
 {v,{6,1},{6,3}}].
