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

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

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

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

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