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

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

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

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

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