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