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

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

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

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

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