C3123223313331322121111331333133313231333132212111112312111112111112121123231   >>    C312322331333132212111133133313331323133313221211111231211111211111212112323   <<    C3123223313331322121111331333133313231333132212111112312111112111112121123233   >>      C3123223313331322121111331333133313231333132212111112312111112111112121123232   >>