C3123223313331322121111331333133313231333132212111112111111331331121312321   >>    C312322331333132212111133133313331323133313221211111211111133133112131232   <<    C3123223313331322121111331333133313231333132212111112111111331331121312323   >>      C3123223313331322121111331333133313231333132212111112111111331331121312322   >>