I33132322131121133131323331333132322133313133313232233132313331221   >>    I3313232213112113313132333133313232213331313331323223313231333122   <<    I33132322131121133131323331333132322133313133313232233132313331223   >>      I33132322131121133131323331333132322133313133313232233132313331222   >>