Iron Wheel

(123, 73); (81, 63); (70, 57); (65, 64); (64, 71); (56, 75); (46, 71); (38, 71); (35, 62); (27, 75); (34, 78); (25, 83); (21, 92); (38, 98); (48, 99); (55, 100); (62, 91); (70, 92); (79, 89); (85, 91); (89, 71); (90, 50); (114, 78)

the area (53, 74) to (83, 109)

the area (122, 152) to (151, 184)

the area (124, 216) to (136, 231); the area (120, 180) to (136, 197); the area (175, 218) to (190, 237); the area (99, 215) to (119, 227); the area (184, 204) to (200, 218); the area (127, 231) to (145, 248); the area (141, 159) to (161, 171); the area (178, 157) to (193, 175); the area (137, 216) to (139, 218); the area (185, 178) to (187, 180); the area (166, 232) to (168, 234); the area (119, 234) to (121, 236); the area (129, 183) to (140, 194); the area (129, 147) to (140, 158)