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