C312322331333132212111133133313331323133313221211113313132312321   >>    C31232233133313221211113313331333132313331322121111331313231232   <<    C312322331333132212111133133313331323133313221211113313132312323   >>      C312322331333132212111133133313331323133313221211113313132312322   >>