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