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

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

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

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

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