C2132113313331312121111331333132313331323231323132313331323222313232321   >>    C213211331333131212111133133313231333132323132313231333132322231323232   <<    C2132113313331312121111331333132313331323231323132313331323222313232323   >>      C2132113313331312121111331333132313331323231323132313331323222313232322   >>