Here's the tentative schedule. Leave your thoughts in the 'comments'. Will this work for you?
#1 May 30
DOGM; 1-18
Unity; x-30
#2 June 27
DOGM; 20-44
Unity; 31-68
9 Marks; 21-42
#3 Aug 1
DOGM; 45-70
9 Marks; 43-62
Unity; 69-98
#4 Aug 29
DOGM; 71-94
9 Marks; 63-82
Unity; 99-138
#5 Oct 3
DOGM; 95-122
9 Marks; 83-104
Unity; 139-174
#6 Oct 31
DOGM; 123-134
9 Marks; 105-132
Unity; 175-204
#7 Dec 5
DOGM; 135-146
9 Marks; 133-152
Unity; 205-221
#8 Jan 2
DOGM; 147-156
9 Marks; 153-180
Unity; 222-250
#9 Jan 30
DOGM; 157-168
9 Marks; 181-204
Unity; 251-300
#10 Feb 27
DOGM; 169-190
9 Marks; 205-233
Unity; 301-344
#11 April 3
DOGM; 191-200
Unity; 345-386
9 Marks is finished!
#12 May 1
DOGM; 201-222
Unity; 387-436
#13 May 29
DOGM; 223-end
Unity; 437-480
Well done. You made it.