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