C11111211113313112113313331333133313331312322121111331333132333112323223331   >>    C1111121111331311211331333133313331333131232212111133133313233311232322333   <<    C11111211113313112113313331333133313331312322121111331333132333112323223333   >>      C11111211113313112113313331333133313331312322121111331333132333112323223332   >>