C3132121111133313233121111331333133313331333133313331333132313322121   >>    C313212111113331323312111133133313331333133313331333133313231332212   <<    C3132121111133313233121111331333133313331333133313331333132313322123   >>      C3132121111133313233121111331333133313331333133313331333132313322122   >>