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

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

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

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

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