C3132121111133313233121111331333133313331333133313331333131333132313233231   >>    C313212111113331323312111133133313331333133313331333133313133313231323323   <<    C3132121111133313233121111331333133313331333133313331333131333132313233233   >>      C3132121111133313233121111331333133313331333133313331333131333132313233232   >>