C3131313233313113313223313223313112113313233313133313233313231323223313232321   >>    C313131323331311331322331322331311211331323331313331323331323132322331323232   <<    C3131313233313113313223313223313112113313233313133313233313231323223313232323   >>      C3131313233313113313223313223313112113313233313133313233313231323223313232322   >>