C312322331333132212111133133313231333132333132333132313331323212121   >>    C31232233133313221211113313331323133313233313233313231333132321212   <<    C312322331333132212111133133313231333132333132333132313331323212123   >>      C312322331333132212111133133313231333132333132333132313331323212122   >>