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

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

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

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

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