C3131313233313113313223313223313112113313233313223313231312112331   >>    C313131323331311331322331322331311211331323331322331323131211233   <<    C3131313233313113313223313223313112113313233313223313231312112333   >>      C3131313233313113313223313223313112113313233313223313231312112332   >>