C31232233133313221211113313331333132313331322121111333333132313331323232233121   >>    C3123223313331322121111331333133313231333132212111133333313231333132323223312   <<    C31232233133313221211113313331333132313331322121111333333132313331323232233123   >>      C31232233133313221211113313331333132313331322121111333333132313331323232233122   >>