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