C11111211113313112113313331333133313331312322121111331333132213112131   >>    C1111121111331311211331333133313331333131232212111133133313221311213   <<    C11111211113313112113313331333133313331312322121111331333132213112133   >>      C11111211113313112113313331333133313331312322121111331333132213112132   >>