C111123313331323113313331333132313331311331312111133132211211331333131121132321   >>    C11112331333132311331333133313231333131133131211113313221121133133313112113232   <<    C111123313331323113313331333132313331311331312111133132211211331333131121132323   >>      C111123313331323113313331333132313331311331312111133132211211331333131121132322   >>