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