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