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

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

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

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

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