3 3---- 1--:t-- 3 3---- 6--7-- 3 3---- 1--:t-- 3 3---- 6--7-- [30] 3---6 7 [18]--[:t'7]-- [30] 3---0 w [6e]--[7r]-- [30] 3---6 7 [18]--[:t'7]-- [30] 3---0 w [6e]--[7r]-- [30] 3 3 3 3 3 [36] [37] [18] 1 1 1 [:t'7] :t :t :t [30] 3 3 3 3 3 [30] [3w] [6e] 6 6 6 [7r] 7 7 7 [30] 3 3 3 3 3 [36] [37] [18] 1 1 1 [:t'7] :t :t :t [30] 3 3 3 3 3 [30] [3w] [6e] 6 6 6 [7r] 7 7 7 [3f] 3 [3g] 3 [3G] 3 [3h] [37] [1f] 1 [1g] 1 [:t'G] :t [:t'h] :t [3f] 3 [3g] 3 [3G] 3 [3h] [3w] [6f] 6 [6g] 6 [7G] 7 [7h] 7 [3f] 3 [3g] 3 [3G] 3 [3h] [37] [1f] 1 [1g] 1 [:t'G] :t [:t'h] :t [3f] 3 [3g] 3 [3G] 3 [3h] [3w] [6f] 6 [6g] 6 [7G] 7 [7h] 7 [3f]333[3g]333[3G]333[3h]3[3r]3 [1f]111[1g]111[:t'G]:t:t:t[:t'h]:t:t:t [3f]333[3g]333[3G]333[3h]3[3o]3 [6f]666[6g]666[7G]777[7h]777 [3f]333[3g]333[3G]333[3h]3[3r]3 [1f]111[1g]111[:t'G]:t:t:t[:t'h]:t:t:t [3f]333[3g]333[3G]333[3h]3[3o]3 [6f]666[6g]666[7G]777[7h]777