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