dvādaśa - twelve; vatsara - years; śeṣa - final; aiche - in that way; goṅāila - passed away; ei mata - in this way; śeṣa-līlā - the last pastimes; tri-vidhāne - in three ways; kaila - executed.

The last twelve years of Śrī Caitanya Mahāprabhu were passed in this transcendental craziness. Thus He executed His last pastimes in three ways.