C11111211113313112113313331333133313331333132313231333132332233131   >>    C1111121111331311211331333133313331333133313231323133313233223313   <<    C11111211113313112113313331333133313331333132313231333132332233133   >>      C11111211113313112113313331333133313331333132313231333132332233132   >>