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

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

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

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

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