C2132113313331312121111331333132313331323133313223313231323133322321   >>    C213211331333131212111133133313231333132313331322331323132313332232   <<    C2132113313331312121111331333132313331323133313223313231323133322323   >>      C2132113313331312121111331333132313331323133313223313231323133322322   >>