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