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

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

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

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

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