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

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

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

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

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