C11112331333132311331333133112111133132313232233312111113331323222333131   >>    C1111233133313231133133313311211113313231323223331211111333132322233313   <<    C11112331333132311331333133112111133132313232233312111113331323222333133   >>      C11112331333132311331333133112111133132313232233312111113331323222333132   >>