C11111211113313112113313331333133313133313232233132322231311211   >>    C1111121111331311211331333133313331313331323223313232223131121   <<    C11111211113313112113313331333133313133313232233132322231311213   >>      C11111211113313112113313331333133313133313232233132322231311212   >>