C3132121111133313233121111331333133313331333133313331333133313331333232332321   >>    C313212111113331323312111133133313331333133313331333133313331333133323233232   <<    C3132121111133313233121111331333133313331333133313331333133313331333232332323   >>      C3132121111133313233121111331333133313331333133313331333133313331333232332322   >>