C1111133313331323223313331333133313231333132313331333131211111332321   >>    C111113331333132322331333133313331323133313231333133313121111133232   <<    C1111133313331323223313331333133313231333132313331333131211111332323   >>      C1111133313331323223313331333133313231333132313331333131211111332322   >>