C312322331333132212111133133313331323133313221211113313112223331212121   >>    C31232233133313221211113313331333132313331322121111331311222333121212   <<    C312322331333132212111133133313331323133313221211113313112223331212123   >>      C312322331333132212111133133313331323133313221211113313112223331212122   >>