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

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

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

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

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