C11111211113313112113313331333133313331333132313231333133313331323232131131   >>    C1111121111331311211331333133313331333133313231323133313331333132323213113   <<    C11111211113313112113313331333133313331333132313231333133313331323232131133   >>      C11111211113313112113313331333133313331333132313231333133313331323232131132   >>