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• Start from
• Close in a 2x2 square by pocketing two of the four tiles forming the ring (those on top and in the left with respect to the figure), the 2x2 square has a stack of four tiles in the South-East position, and a stack of two tiles in the North-East position.
• Lift in vertical position the top two tiles in the SE stack.
• Open in 3D with the following choice of hinges:
  • The two vertical tiles about their vertical West side
  • The two stacked SE tiles about their South side
  • The two stacked NE tiles about their East side
  • slightly fold the two West tiles with a valley fold between each other and a mountain fold about the East tiles.