https://seentis.netlify.app/ Seentis contains 6 heptominoes, and its marathon reduced from 200 lines to 155 lines. The scoring system: Single: 1 point Double: 3 points Triple: 5 points Tetris: 8 points Jeem: 9 points Hah: 11 points Khah: 13 points Back to back Tetris: 12 points Back to back Jeem: 12 points Back to back Hah: 14 points Back to back Khah: 18 points