C1111233131211111211113313331323133313231121211113313331333221131321   >>    C111123313121111121111331333132313331323112121111331333133322113132   <<    C1111233131211111211113313331323133313231121211113313331333221131323   >>      C1111233131211111211113313331323133313231121211113313331333221131322   >>