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

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

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

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

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