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

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

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

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

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