(0 20 15)(1 21 4)(2 7 5)(3 18 10 8 6)(9 13 11)(12 19 17 16 14)
ALLOWS (11/8)-SEQUENCE
1: (0 1 15)
(0)(1 20 15 21 4)(2 7 5)(3 18 10 8 6)(9 13 11)(12 19 17 16 14)
2: (4 15 21)
(0)(1 20 15)(2 7 5)(3 18 10 8 6)(4)(9 13 11)(12 19 17 16 14)(21)
3: (3 18 10)
(0)(1 20 15)(2 7 5)(3 8 6)(4)(9 13 11)(10)(12 19 17 16 14)(18)(21)
4: (12 19 17)
(0)(1 20 15)(2 7 5)(3 8 6)(4)(9 13 11)(10)(12 16 14)(17)(18)(19)(21)