sha256tree 1 => 0x9dcf97a184f32623d11a73124ceb99a5709b083721e878a16d78f596718ba7b2 | 594
sha256tree 0x00cafef00d => 0x60bc5062a80c4363cbe881815300d349c5524d98e3502a016466d14d1f3f25d9 | 602
sha256tree () => 0x4bf5122f344554c53bde2ebb8cd2b7e3d1600ad631c385a5d7cce23c7785459a | 592
sha256tree (() . ()) => 0x52db9ef97986e7382ef78b8eae2dacdbb2ce823ed1396a0fb2f7f120a2b40a63 | 1054
sha256tree (0x00cafe . 0x00f00d) => 0x005b24012b958cc8fc19b7d45438f82fb9034c24b2a77d219250316f482ba6b6 | 1066
sha256tree (202 254 240 13) => 0xb5e2a23ac2de5105c72b9658428a3d389a9f909012eedd4b641504d981f81ac5 | 2454
sha256tree (202 254 (240 13)) => 0x5edd993092c97418933750dc25add55a84ac9f07b2067d537d38f0044bd317ae | 2916
sha256tree 10 20 => FAIL
sha256tree (10 . 20) 30 => FAIL
sha256tree (10 . 20) (20 . 30) => FAIL
