C3123223313331322121111331333133313121111331323211232313231323132312321   >>    C312322331333132212111133133313331312111133132321123231323132313231232   <<    C3123223313331322121111331333133313121111331323211232313231323132312323   >>      C3123223313331322121111331333133313121111331323211232313231323132312322   >>