(0 7 4)(1 17 3)(2 20 19)(5 16 15)(6 10 8)(9 13 11)(12 18 14)
ALLOWS (11/8)-SEQUENCE
1: (2 5 19)
(0 7 4)(1 17 3)(2)(5 20 19 16 15)(6 10 8)(9 13 11)(12 18 14)
2: (1 17 3)
(0 7 4)(1)(2)(3)(5 20 19 16 15)(6 10 8)(9 13 11)(12 18 14)(17)
3: (0 7 4)
(0)(1)(2)(3)(4)(5 20 19 16 15)(6 10 8)(7)(9 13 11)(12 18 14)(17)
4: (5 20 15)
(0)(1)(2)(3)(4)(5)(6 10 8)(7)(9 13 11)(12 18 14)(15 19 16)(17)(20)