C312312111111331312111133133313231333133313112331323133313331322113232131321   >>    C31231211111133131211113313331323133313331311233132313331333132211323213132   <<    C312312111111331312111133133313231333133313112331323133313331322113232131323   >>      C312312111111331312111133133313231333133313112331323133313331322113232131322   >>