C3123223313331322121111331333133313231323223313331333211232311321   >>    C312322331333132212111133133313331323132322331333133321123231132   <<    C3123223313331322121111331333133313231323223313331333211232311323   >>      C3123223313331322121111331333133313231323223313331333211232311322   >>