C11112331333132311331333132313331333133313233121111331333133211113313232233131   >>    C1111233133313231133133313231333133313331323312111133133313321111331323223313   <<    C11112331333132311331333132313331333133313233121111331333133211113313232233133   >>      C11112331333132311331333132313331333133313233121111331333133211113313232233132   >>