;0,0,12,6,12,0,0,0;:
;-1,0,8,0,0,8,0,0;:
;0,12,0,12,0,12,0,0;:
;-1,0,8,0,12,12,0,0;:
;0,0,7,0,0,0,0,0;:
;-1,0,0,1,13,1,0,0;:
;0,0,0,0,0,6,0,0;:
;-1,0,0,8,8,0,1,0;:
;0,0,6,0,0,1,0,0;:
;-1,0,0,1,1,1,0,0;:
;2,2,6,6,13,7,13,13;:
;-1,0,1,1,8,1,1,0;:
;0,0,0,2,2,2,0,0;:
;-1,0,0,0,13,13,0,0;:
;0,0,0,7,7,0,0,0;:
;-1,0,0,0,6,0,0,0;: