C11111211113313112113313331333133313231121131211111133132322331131   >>    C1111121111331311211331333133313331323112113121111113313232233113   <<    C11111211113313112113313331333133313231121131211111133132322331133   >>      C11111211113313112113313331333133313231121131211111133132322331132   >>