C111123313121111121111331323133313331333132322133313331311211321   >>    C11112331312111112111133132313331333133313232213331333131121132   <<    C111123313121111121111331323133313331333132322133313331311211323   >>      C111123313121111121111331323133313331333132322133313331311211322   >>