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