C3132121111133313233121111331333133313331333133313331331121111331323233232321   >>    C313212111113331323312111133133313331333133313331333133112111133132323323232   <<    C3132121111133313233121111331333133313331333133313331331121111331323233232323   >>      C3132121111133313233121111331333133313331333133313331331121111331323233232322   >>