C111123313331323113313331323133313331333132331112111133132313232223321   >>    C11112331333132311331333132313331333133313233111211113313231323222332   <<    C111123313331323113313331323133313331333132331112111133132313232223323   >>      C111123313331323113313331323133313331333132331112111133132313232223322   >>