C31232233133313221211113313331333132313331322121111331313213233123231   >>    C3123223313331322121111331333133313231333132212111133131321323312323   <<    C31232233133313221211113313331333132313331322121111331313213233123233   >>      C31232233133313221211113313331333132313331322121111331313213233123232   >>