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