C11111211113313112113313331333133313331333132313331333132332321131   >>    C1111121111331311211331333133313331333133313231333133313233232113   <<    C11111211113313112113313331333133313331333132313331333132332321133   >>      C11111211113313112113313331333133313331333132313331333132332321132   >>